Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG840612367

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840612367

Diamond specifications and retailer prices

From $775 SGD
£477 GBP
As of October 27, 2026
Save $5,735 SGD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,510 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG840612367 or 840612367. Listed at 20 retailers as of October 27, 2026, with prices from $775 to $6,510, a $5,735 spread on the same certified stone. Brilliant Earth lists it at $6,510. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612367
Dimensions11.25 × 7.96 × 5.38 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.25 mm7.96 mm4.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612367
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 67.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $6,510 SGD|Low: $772 SGD|High: $7,430 SGD|Avg: $2,500 SGD|-12.4%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 19$775 SGD
Retailer 11$834 SGD
Retailer 16$966 SGD
Retailer 18$1,068 SGD
Retailer 2$1,289 SGD
Retailer 5$1,329 SGD
Retailer 7$1,423 SGD
Retailer 20$1,438 SGD
Retailer 3$1,826 SGD
Retailer 13$1,984 SGD
Retailer 6$2,051 SGD
Retailer 4$2,690 SGD
Retailer 15$2,804 SGD
Retailer 8$2,948 SGD
Retailer 9$2,953 SGD
Retailer 10$2,996 SGD
Retailer 12$3,886 SGD
Retailer 17$3,897 SGD
Retailer 14$3,945 SGD
Retailer 21$4,023 SGD
Brilliant Earth$6,510 SGD

30 data points across 21 retailers

20 retailers$775 SGD to $6,510 SGD

A
Cheapest Retailer
-
$775 SGD
£477 GBP
A
Retailer 2
-
$966 SGD
HK$5,900 HKD
View
Retailer 3
-
$1,068 SGD
$835 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,289 SGD
€960 EUR
View
A
Retailer 5
-
$1,329 SGD
$1,039 USD
View
B+
Retailer 6
-
$1,423 SGD
$1,113 USD
View
A
Retailer 7
-
$1,438 SGD
£885 GBP
View
Retailer 8
-
$1,826 SGD
ZAR 23,060 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,984 SGD
$1,551 USD
View
A
Retailer 10
-
$2,051 SGD
$1,604 USD
View
Retailer 11
-
$2,690 SGD
£1,656 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,804 SGD
View
Retailer 13
-
$2,948 SGD
$2,305 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$2,953 SGD
$2,309 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$2,996 SGD
$2,343 USD
View
Retailer 16
-
$3,886 SGD
A$4,675 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$3,897 SGD
$3,047 USD
View
Retailer 18
-
$3,945 SGD
$3,085 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
$4,023 SGD
£2,477 GBP
View
Most Expensive
B
Brilliant Earth
21808374A · Oct 31
$6,510 SGD
$5,090 USD
View
19 more retailers have this diamond
Prices start from $775 SGDSave up to $5,735 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.09ct Cushion
$775 SGD